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Re: [PATCH 4/4] ath9k_hw: do not limit initial tx power to 20 dbm

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Felix Fietkau <nbd@...> writes:

> 
> When testing for tx power, bypass the default limits.
> 
> Signed-off-by: Felix Fietkau <nbd@...>
> ---
>  drivers/net/wireless/ath/ath9k/hw.c |    9 ++++++---
>  1 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath9k/hw.c
b/drivers/net/wireless/ath/ath9k/hw.c
> index 8006ce0..a2e5763 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.c
> +++ b/drivers/net/wireless/ath/ath9k/hw.c
> @@ -2432,15 +2432,18 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32
limit, bool test)
>  	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
>  	struct ath9k_channel *chan = ah->curchan;
>  	struct ieee80211_channel *channel = chan->chan;
> +	int reg_pwr = min_t(int, MAX_RATE_POWER, regulatory->power_limit);
> +	int chan_pwr = channel->max_power * 2;
> +
> +	if (test)
> +		reg_pwr = chan_pwr = MAX_RATE_POWER;
> 
>  	regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER);
> 
>  	ah->eep_ops->set_txpower(ah, chan,
>  				 ath9k_regd_get_ctl(regulatory, chan),
>  				 channel->max_antenna_gain * 2,
> -				 channel->max_power * 2,
> -				 min((u32) MAX_RATE_POWER,
> -				 (u32) regulatory->power_limit), test);
> +				 chan_pwr, reg_pwr, test);
>  }
>  EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);
> 


Dear Mr. Fietkau,

I have tried to apply your patch on
http://www.orbit-lab.org/kernel/compat-wireless-3-stable/v3.3/compat-wireless-3.3-2-n.tar.bz2

I get the following error:

patch -p1 < ath9k_txpower.patch
patching file drivers/net/wireless/ath/ath9k/hw.c
Hunk #1 FAILED at 2432.
patch unexpectedly ends in middle of line
1 out of 1 hunk FAILED -- saving rejects to file
drivers/net/wireless/ath/ath9k/hw.c.rej
patch unexpectedly ends in middle of line

Could you support me with a patch tuned to the above compat-wireless?

Yours sincerelly,

Ambrus Oláh

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